<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>后盾人</title>
  </head>
  <body>
    <script>
      // var web = "hdcms";
      // console.log(window.web);
      // var screenLeft = 88;
      // console.log(window.screenLeft);
      // let web = "hdcms";
      // console.log(window.web);

      // let screenLeft = 88;
      // console.log(window.screenLeft);
      // console.log(screenLeft);

      // const web = "hdcms";

      // const web_houdunren = "houdunren.com";

      // console.log(web);
      let web = "hdcms";
      function show() {
        let web = "houdunren";
        console.log(web);
      }
      show();
      console.log(web);
    </script>
  </body>
</html>
